ccna4 final 2014

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EWAN Final Exam - CCNA Exploration: Accessing the WAN (Version 4.0)

1 When NAT is in use, what is used to determine the addresses that can be translated oCisco router?

access control list

routing protocol

inbound interface

ARP cache

2

Refer to the ehibit! Which "#AN will carr$ untagged traffic on %ast&thernet '(1?"#AN 1

"#AN 2

"#AN 11

"#AN 12

"#AN )'

"#AN ***

)
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Refer to the ehibit! Which data transmission technolog$ is being represented?T+

PPP

-+#C

.#/P

0 A networ administrator is instructing a technician on best practices for appl$ing AC#sWhich two suggestions should the administrator proide? 3Choose two!4

Named AC#s are less efficient than numbered AC#s!

.tandard AC#s should be applied inside the core la$er!

Place standard AC#s as close to the destination as possible!

AC#s applied to outbound interfaces re5uire fewer router resources!

&tended AC#s should be applied closest to the source that is specified b$ the AC#!

6 A networ administrator has changed the "#AN configurations on his networ switchethe past weeend! -ow can the administrator determine if the additions and changesimproed performance and aailabilit$ on the compan$ intranet?

Conduct a performance test and compare with the baseline that was established preiousl$!

/nteriew departmental secretaries and determine if the$ thin load time for web pages has improed!

+etermine performance on the intranet b$ monitoring load times of compan$ web pages from remote sites!

Compare the hit counts on the compan$ web serer for the current wee to the alues that were recorded in preious we

7 Which three guidelines would help contribute to creating a strong password polic$? 3Cthree!4

8nce a good password is created, do not change it!

+eliberatel$ misspell words when creating passwords!

Create passwords that are at least 9 characters in length!

:se combinations of upper case, lower case, and special characters!

Write passwords in locations that can be easil$ retrieed to aoid being loced out!

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:se long words found in the dictionar$ to mae passwords that are eas$ to remember!

;

Refer to the ehibit! Router RT is not receiing routing updates from router RTA! Whatcausing the problem?

The ip rip authentication key-chaincommand specifies eam rather than test!

The name of the e$string is not the name of the neighboring router!

The e$ chains are gien the same name on both routers!

The passive-interfacecommand was issued for RTA!

9

Refer to the ehibit! %rom the output of the show interfacesand pingcommands, at wla$er of the 8./ model is a fault indicated?

application

transport

networ

data lin

ph$sical

*

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Refer to the ehibit! -ead5uarters is connected through the /nternet to branch office Abranch office

AT

"PN

/.+N

%rame Rela$

broadband +.#

1' What function does NCP perform in the establishment of a PPP session?/t opens the connections and negotiates configuration options!

/t completes the specific configuration of the networ la$er protocol that is being used!

/t tests the lin to determine whether the lin 5ualit$ is sufficient to bring up networ la$er protocols!

/t proides automatic configuration of the interfaces at each end including detecting common configuration errors!

11
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Refer to the ehibit! A pacet is being sent from -ost A to -ost < through the "PN tunbetween R1 and R)! When the pacet first arries at R), what are the source and des/P addresses of the pacet?

.ource 1*2!179!1!2 = +estination 1*2!179!0!2

.ource 1*2!179!)!1 = +estination 1*2!179!)!2

.ource 1*2!179!2!1 = +estination 1*2!179!)!2

.ource 1*2!179!)!1 = +estination 1*2!179!0!2

12

Refer to the ehibit! A technician is teaching a trainee to interpret the results of arious%rame Rela$ troubleshooting commands! What conclusion can be drawn from the outpis shown?

Neighboring routers should use +#C/ 1;; to reach the

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show controllersindicates cable t$pe +T& "!)6! show interfaces s0/0/0indicates serial down, line protocol down!

10 When implementing a d$namic AC#, wh$ is it necessar$ to include an etended AC# aof the configuration process?

to disable the router t$ lines

to reduce the d$namic AC# filtering load

to oerride an$ preious AC# that might be applied to the router

to proide a controlled situation of allowing traffic through a router

16

Refer to the ehibit! Which configuration command would result in the output in the eip nat inside source static 10.1.200.254 172.16.76.

ip nat inside source static 10.1.200.254 1!2.16".0.10

ip nat inside source static 172.16.76. 10.1.200.254

ip nat inside source static 172.16.76. 1!2.16".0.10

ip nat inside source static 1!2.16".0.10 172.16.76.

ip nat inside source static 1!2.16".0.10 10.1.200.254

17 Technicians from Compan$ A and Compan$ < are comparing +.# transfer rates at threspectie companies! Compan$ A onl$ uses microfilters on branch locations!

Compan$ < has a higher olume of P8T. oice traffic than does Compan$ A!

Compan$ < shares the connection to the +.#A with a larger number of clients than Compan$ A shares!

The length of the local loop between Compan$ A and the C8 is shorter than the length of the local loop between CompaC8!

1; Which t$pe of deice is located at the central office of a carrier and combines indiiduaconnections from multiple users into one high=capacit$ lin to the /nternet?
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splitter

+.#A

microfilter

transceier

la$er ) switch

19 An issue of response time has recentl$ arisen on an application serer! The new releasoftware pacage has also been installed on the serer! The configuration of the netwochanged recentl$! To identif$ the problem, indiiduals from both teams responsible for recent changes begin to inestigate the source of the problem! Which statement appliethis situation?

.cheduling will be eas$ if the networ and software teams wor independentl$!

/t will be difficult to isolate the problem if two teams are implementing changes independentl$!

Results from changes will be easier to reconcile and document if each team wors in isolation!

8nl$ results from the software pacage should be tested as the networ is designed to accommodate the proposed softw

platform!

1* At what ph$sical location does the responsibilt$ for a WAN connection change from theto the serice proider?

demilitari>ed >one 3+4

demarcation point

local loop

cloud

2' Which %rame Rela$ flow control mechanism is used to signal routers that the$ should the flow rate of frames?

+&

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%rame Rela$

-+#C

PPP

.+#C

2)

Refer to the ehibit! A networ administrator is attempting to configure a %rame Rela$networ! The administrator enters the commands as shown in the ehibit on R2, but th

%rame Rela$ P"Cs are inactie! What is the problem?The incorrect +#C/ numbers are being configured on R2!

The .'('(' interface on R2 needs to be point=to=point!

The fra#e-relay #apcommands are missing the ciscoe$word at the end!

A single router interface cannot connect to more than one %rame Rela$ peer at a time!

20

Refer to the ehibit! A host connected to %a'(' is unable to ac5uire an /P address from+-CP serer! The output of the de$ug ip dhcp servercommand shows @+-CP+ the
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no address pool for 1*2!179!1!1@! What is the problem?The default router for the 1*2Networ pool is incorrect!

The 1*2!179!1!1 address has not been ecluded from the +-CP pool!

The 1*2!179!1!1 address is alread$ configured on %a'('!

The pool of addresses for the 1*2Networ pool is incorrect!

26

Refer to the ehibit! Which statement correctl$ describes how Router1 processes an %

re5uest pacet that enters interface .'('(', and is destined for an %TP serer at /P ad1;2!17!1!6?The router matches the incoming pacet to the statement that is created b$ access-list 201 per#it ip any any commaallows the pacet into the router!

The router reaches the end of AC# 1'1 without matching a condition and drops the pacet because there is no statemwas created b$ access-list 101 per#it ip any anycommand!

The router matches the incoming pacet to the statement that was created b$ the access-list 101 per#it ip any 172.10.0.0.255command, ignores the remaining statements in AC# 1'1, and allows the pacet into the router!

The router matches the incoming pacet to the statement that was created b$ the access-list 201 deny ic#p 172.16.0.0.0.255 anycommand, continues comparing the pacet to the remaining statements in AC# 2'1 to ensure that no sustatements allow %TP, and then the router drops the pacet!

27

Refer to the ehibit! Compan$ A

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functionalit$, with unmodified pacets that are forwarded from the source to the destinaThe edge routers R1 and R2 support dual stac configuration! What solution should bedeplo$ed at the edge of the compan$ networ in order to successfull$ interconnect botoffices?

a new WAN serice supporting onl$ /P7

NAT oerload to map inside /P7 addresses to outside /P0 address

a manuall$ configured /P7 tunnel between the edge routers R1 and R2

static NAT to map inside /P7 addresses of the serers to an outside /P0 address and d$namic NAT for the rest of th/P7 addresses

2; Which two statements are true about creating and appl$ing access lists? 3Choose two8ne access list per port, per protocol, per direction is permitted!

Access list entries should filter in the order from general to specific!

.tatements are processed se5uentiall$ from top to bottom until a match is found!

The term @inbound@ refers to traffic entering the networ from the router interface where the AC# is applied!

.tandard AC#s should be applied closest to the source while etended AC#s should be applied closest to the destination!

29

Refer to the ehibit! Computers on the internal networ need access to all serers in theternal networ! The onl$ traffic that is permitted from the eternal networ must beresponses to re5uests that are initiated on the internal networ! Which securit$ measuwould satisf$ this re5uirement?

a numbered etended AC#

a named standard AC#

a refleie AC#

a d$namic AC#

2*

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Refer to the ehibit! A networ administrator has issued the commands that are shownRouter1 and Router2! A later reiew of the routing tables reeals that neither router is

learning the #AN networ of the neighbor router! What is most liel$ the problem with tR/Png configuration?

The serial interfaces are in different subnets!

The R/Png process is not enabled on interfaces!

The R/Png networ command is not configured!

The R/Png processes do not match between Router1 and Router2!

)'

Refer to the ehibit! The lin between the CTR# and

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)2 A light manufacturing compan$ wishes to replace its +.# serice with a non=line=of=sigbroadband wireless solution that offers comparable speeds! Which solution should thecustomer choose?

WiAD

etro &thernet

satellite

Wi=%i

)) At what point in the PPP connection process does the authentication phase occur?after NCP establishes #a$er ) parameters

before #CP begins the lin establishment process

after the initial Configure=Re5uest message from the lin initiator

after the lin initiator receies a Configure=Ac message from the responder

)0

Refer to the ehibit! Results of the show vlanand show vtp statuscommands for sw.1 and .2 are displa$ed in the ehibit! "#AN 11 was created on .1! Wh$ is "#AN 11missing from .2?

There is a #a$er 2 loop!

The "TP domain names do not match!

8nl$ one switch can be in serer mode!

.2 has a higher spanning=tree priorit$ for "#AN 11 than .1 does!

)6

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Refer to the ehibit! R/P2 has been configured on all routers in the networ! Routers R) hae not receied an$ R/P routing updates! What will fi the issue?

&nable R/P authentication on R2!

/ssue the ip directed-$roadcastcommand on R2!

Change the subnet mass to 1'!11!12!'(9 and 1;2!17!0'!'(17 on R2!

&nable C+P on R2 so that the other routers will receie routing updates!

)7 An administrator is unable to receie e=mail! While troubleshooting the problem, theadministrator is able to ping the local mail serer /P address successfull$ from a remot

networ and can successfull$ resole the mail serer name to an /P address ia the usthe nslookupcommand! At what 8./ la$er is the problem most liel$ to be found?

ph$sical la$er

data lin la$er

networ la$er

application la$er

); Which statement is true about wildcard mass?/nerting the subnet mas will alwa$s create the wildcard mas!

The wildcard mas performs the same function as a subnet mas!

A networ or subnet bit is identified b$ a @1@ in the wildcard mas!

/P address bits that must be checed are identified b$ a @'@ in the wildcard mas!

)9 While configuring a router using R/Png and dual=stac technolog$ with /P0 and /P7, administrator receies an error message when inputting /P0 routes! What could causerror message?

/P0 is not compatible with R/Png

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R/Png is incompatible with dual=stac technolog$!

The router interfaces hae been configured with incorrect addresses!

When /P0 and /P7 are configured on the same interface, all /P0 addresses are shut down in faor of the newer techno

)* Which two protocols in combination should be used to establish a lin with secureauthentication between a Cisco and a non=Cisco router? 3Choose two!4

-+#C

PPP

.#/P

PAP

C-AP

0'

Refer to the ehibit! What is placed in the address field in the header of a frame that wtrael from the .an Eose router to the +C router?

+#C/ 1')

+#C/ )'1

1;2!17!1!19

1;2!17!1!1*

01

Refer to the ehibit! Communication between two peers has failed!

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PPP negotiation failure

02

Refer to the ehibit! A networ administrator is considering updating the /8. on RouteWhat ersion of /8. is currentl$ installed on Router1?

1

12!0

16

1901

0)

Refer to the ehibit! An AC# called anagers alread$ eists on this router! What happthe networ administrator issues the commands as shown in the ehibit?

The commands are added to the end of the eisting AC#!

The eisting anagers AC# will be oerwritten b$ the new AC#!

The router will output an error message and no changes will be made!

A duplicate anagers AC# will be created that will contain onl$ the new commands!

00 Where will a router operating s$stem image be copied after the copy flash% tftpcommissued?

flash

+RA

N"RA

remote serer

06

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Refer to the ehibit! A Cisco router, R1, and a non=Cisco router, R2, were able tocommunicate successfull$ using %rame Rela$ before the$ were remoed from product

An administrator decided to reuse R1 and R2 for another purpose b$ implementing a dconnection between the two routers, but the %rame Rela$ configurations were saed! W%rame Rela$ encapsulation is remoed from both routers the connection fails! What wcorrect the problem?

Configure both routers to use PPP encapsulation!

Clear the frame maps on both routers and reboot!

.et up a routing protocol to communicate between the two routers!

Configure both routers to use -+#C encapsulation and remoe the bandwidth statements!

07 A networ administrator determines that falsified routing information is propagating thrthe networ! What action can be used to address this threat?

:pdate the /8. images!

Change console passwords!

&mplo$ end=user authentication!

Configure routing protocol authentication!

0; What is the result when the command per#it tcp 10.25.12.0 0.0.0.255 any e& s#tpadded to a named access control list and applied on the inbound interface of a router?

TCP traffic with a destination to the 1'!26!1)2!'(20 is permitted!

8nl$ Telnet traffic is permitted to the 1'!20!1)2!'(20 networ

Ttraffic from 1'!26!1)2!'(20 is permitted to an$where on using an$ port!

Traffic using port 26 from the 1'!26!1)2!'(20 is permitted to all destinations!

09 Which statement about a "PN is true?"PN lin establishment and maintenance is proided b$ #CP!

+#C/ addresses are used to identif$ each end of the "PN tunnel!

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"PNs use irtual #a$er ) connections that are routed through the /nternet!

8nl$ /P pacets can be encapsulated b$ a "PN for tunneling through the /nternet!

0*

Refer to the ehibit! The corporate networ that is shown has been assigned networ1;2!17!129!'(1* for use at branch office #ANs! /f "#. is used, what mas should be for addressing hosts at

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